--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tsrc/xmltestharness/xmlclient/src/transition.h	Wed Aug 25 12:40:50 2010 +0300
@@ -0,0 +1,51 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+
+#ifndef TRANSITION_H_
+#define TRANSITION_H_
+
+#include <e32base.h>
+
+/** RSupplierRelations represents the buffer supplier links in a graph */
+typedef RArray<RArray<TInt> > RSupplierRelations;
+
+void CloseSupplierRelations(TAny* aPtr);
+
+/*
+
+For example, consider the following graph: (<-- indicates direction of buffer supply)
+
+	| 0 | <-- 1 <-- 2
+	| 0 | --> 3 <-- 4 --> 5
+	  
+	The supplier relations table is:
+	
+	0: 3
+	1: 0
+	2: 1
+	3:
+	4: 3, 5
+	5:
+	
+	A valid transition order for this graph is { 3, 0, 1, 2, 5, 4 }
+
+*/
+
+void FindTransitionOrderL(const RSupplierRelations& aSupplierRelations, RArray<TInt>& aOrder);
+
+#endif /*TRANSITION_H_*/